<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>变量命名规范</title>
</head>

<body>
  <script>
    //  输出用户信息
    let uname=prompt('请输入你的姓名')
    let age =prompt('请输入你的年龄')
    let sex =prompt('请输入你的性别')
    document.write(`大家好我叫${uname},我今年${age},我的性别是${sex}`)


    
  </script>
</body>

</html>